SingStar ABBA is being developed in full collaboration with ABBA and Universal Music Group in Sweden, which manages the rights to the ABBA brand. The terms of the agreement include a window of exclusivity for disc-based PlayStation titles until December 2009.The SingStar agreement comes as the music of ABBA enjoys a renewed surge of popularity worldwide, sparked by the huge success of the film, “Mamma Mia!” Global sales of the soundtrack album, released by Universal Music Group, the world’s leading music company, are now approaching 3 million.